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公开(公告)号：US09450177B2
公开(公告)日：2016-09-20
申请号：US13578866
申请日：2011-02-14
申请人： Hideo Ohno , Shoji Ikeda , Fumihiro Matsukura , Masaki Endoh , Shun Kanai , Katsuya Miura , Hiroyuki Yamamoto
发明人： Hideo Ohno , Shoji Ikeda , Fumihiro Matsukura , Masaki Endoh , Shun Kanai , Katsuya Miura , Hiroyuki Yamamoto
CPC分类号： H01L43/08 , G11C11/161 , H01L27/228 , H01L43/10 , H01L43/12
摘要： There is provided a magnetoresistive element whose magnetization direction is stable in a direction perpendicular to the film surface and whose magnetoresistance ratio is controlled, as well as magnetic memory using such a magnetoresistive element. By having the material of a ferromagnetic layer forming the magnetoresistive element comprise a ferromagnetic material containing at least one type of 3d transition metal, or a Heusler alloy, to control the magnetoresistance ratio, and by controlling the thickness of the ferromagnetic layer on an atomic layer level, the magnetization direction is changed from being in-plane with the film surface to being perpendicular to the film surface.
摘要翻译： 提供了一种磁阻元件，其磁化方向在垂直于膜表面的方向上是稳定的并且其磁阻比被控制，以及使用这种磁阻元件的磁存储器。 通过使形成磁阻元件的铁磁层的材料包含含有至少一种类型的3d过渡金属或Heusler合金的铁磁材料，以控制磁阻比，并且通过控制原子层上的铁磁层的厚度 磁化方向从膜表面垂直于膜表面进行平面切换。
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公开(公告)号：US09135973B2
公开(公告)日：2015-09-15
申请号：US13701257
申请日：2011-05-26
申请人： Hideo Ohno , Shoji Ikeda , Fumihiro Matsukura , Masaki Endoh , Shun Kanai , Katsuya Miura , Hiroyuki Yamamoto
发明人： Hideo Ohno , Shoji Ikeda , Fumihiro Matsukura , Masaki Endoh , Shun Kanai , Katsuya Miura , Hiroyuki Yamamoto
CPC分类号： G11C11/16 , G11C11/14 , G11C11/161 , G11C11/1675 , H01L27/228 , H01L43/02 , H01L43/08
摘要： Provided are a magnetoresistance effect element with a stable magnetization direction perpendicular to film plane and a controlled magnetoresistance ratio, in which writing can be performed by magnetic domain wall motion, and a magnetic memory including the magnetoresistance effect element. The magnetoresistance ratio is controlled by forming a ferromagnetic layer of the magnetoresistance effect element from a ferromagnetic material including at least one type of 3d transition metal or a Heusler alloy. The magnetization direction is changed from a direction in the film plane to a direction perpendicular to the film plane by controlling the film thickness of the ferromagnetic layer on an atomic layer level.
摘要翻译： 提供了具有与膜平面垂直的稳定磁化方向的磁阻效应元件和可以通过磁畴壁运动进行写入的受控磁阻比，以及包括磁阻效应元件的磁存储器。 通过从包括至少一种类型的3d过渡金属或Heusler合金的铁磁材料形成磁阻效应元件的铁磁层来控制磁阻比。 通过在原子层上控制铁磁层的膜厚度，将磁化方向从膜平面的方向转变为垂直于膜平面的方向。
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公开(公告)号：US08917541B2
公开(公告)日：2014-12-23
申请号：US13701846
申请日：2011-05-31
申请人： Hideo Ohno , Shoji Ikeda , Fumihiro Matsukura , Masaki Endoh , Shun Kanai , Hiroyuki Yamamoto , Katsuya Miura
发明人： Hideo Ohno , Shoji Ikeda , Fumihiro Matsukura , Masaki Endoh , Shun Kanai , Hiroyuki Yamamoto , Katsuya Miura
CPC分类号： H01L43/08 , G01R33/098 , G11B5/31 , G11C11/16 , G11C11/161 , G11C11/1675 , H01L27/228 , H01L43/02 , H01L43/10 , H01L43/12 , Y10T428/1114
摘要： Provided are a magneto resistive effect element with a stable magnetization direction perpendicular to a film plane and with a controlled magnetoresistance ratio, and a magnetic memory using the magneto resistive effect element. Ferromagnetic layers 106 and 107 of the magneto resistive effect element are formed from a ferromagnetic material containing at least one type of 3d transition metal such that the magnetoresistance ratio is controlled, and the film thickness of the ferromagnetic layers is controlled on an atomic layer level such that the magnetization direction is changed from a direction in the film plane to a direction perpendicular to the film plane.
摘要翻译： 提供了具有垂直于膜平面和受控磁阻比的稳定磁化方向的磁阻效应元件，以及使用该磁阻效应元件的磁存储器。 磁阻效应元件的铁磁层106和107由含有至少一种类型的3d过渡金属的铁磁材料形成，使得磁阻比被控制，并且铁磁层的膜厚被控制在诸如 磁化方向从薄膜平面的方向向垂直于薄膜平面的方向变化。
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公开(公告)号：US20120320666A1
公开(公告)日：2012-12-20
申请号：US13578866
申请日：2011-02-14
申请人： Hideo Ohno , Shoji Ikeda , Fumihiro Matsukura , Masaki Endoh , Shun Kanai , Katsuya Miura , Hiroyuki Yamamoto
发明人： Hideo Ohno , Shoji Ikeda , Fumihiro Matsukura , Masaki Endoh , Shun Kanai , Katsuya Miura , Hiroyuki Yamamoto
CPC分类号： H01L43/08 , G11C11/161 , H01L27/228 , H01L43/10 , H01L43/12
摘要： There is provided a magnetoresistive element whose magnetization direction is stable in a direction perpendicular to the film surface and whose magnetoresistance ratio is controlled, as well as magnetic memory using such a magnetoresistive element. By having the material of a ferromagnetic layer forming the magnetoresistive element comprise a ferromagnetic material containing at least one type of 3d transition metal, or a Heusler alloy, to control the magnetoresistance ratio, and by controlling the thickness of the ferromagnetic layer on an atomic layer level, the magnetization direction is changed from being in-plane with the film surface to being perpendicular to the film surface.
摘要翻译： 提供了一种磁阻元件，其磁化方向在垂直于膜表面的方向上是稳定的并且其磁阻比被控制，以及使用这种磁阻元件的磁存储器。 通过使形成磁阻元件的铁磁层的材料包含含有至少一种类型的3d过渡金属或Heusler合金的铁磁材料，以控制磁阻比，并且通过控制原子层上的铁磁层的厚度 磁化方向从膜表面垂直于膜表面进行平面切换。
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公开(公告)号：US20130141966A1
公开(公告)日：2013-06-06
申请号：US13701257
申请日：2011-05-26
申请人： Hideo Ohno , Shoji Ikeda , Fumihiro Matsukura , Masaki Endoh , Shun Kanai , Katsuya Miura , Hiroyuki Yamamoto
发明人： Hideo Ohno , Shoji Ikeda , Fumihiro Matsukura , Masaki Endoh , Shun Kanai , Katsuya Miura , Hiroyuki Yamamoto
CPC分类号： G11C11/16 , G11C11/14 , G11C11/161 , G11C11/1675 , H01L27/228 , H01L43/02 , H01L43/08
摘要： Provided are a magnetoresistance effect element with a stable magnetization direction perpendicular to film plane and a controlled magnetoresistance ratio, in which writing can be performed by magnetic domain wall motion, and a magnetic memory including the magnetoresistance effect element. The magnetoresistance ratio is controlled by forming a ferromagnetic layer of the magnetoresistance effect element from a ferromagnetic material including at least one type of 3d transition metal or a Heusler alloy. The magnetization direction is changed from a direction in the film plane to a direction perpendicular to the film plane by controlling the film thickness of the ferromagnetic layer on an atomic layer level.
摘要翻译： 提供了具有与膜平面垂直的稳定磁化方向的磁阻效应元件和可以通过磁畴壁运动进行写入的受控磁阻比，以及包括磁阻效应元件的磁存储器。 通过从包括至少一种类型的3d过渡金属或Heusler合金的铁磁材料形成磁阻效应元件的铁磁层来控制磁阻比。 通过在原子层上控制铁磁层的膜厚度，将磁化方向从膜平面的方向转变为垂直于膜平面的方向。
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公开(公告)号：US20130094284A1
公开(公告)日：2013-04-18
申请号：US13701846
申请日：2011-05-31
申请人： Hideo Ohno , Shoji Ikeda , Fumihiro Matsukura , Masaki Endoh , Shun Kanai , Hiroyuki Yamamoto , Katsuya Miura
发明人： Hideo Ohno , Shoji Ikeda , Fumihiro Matsukura , Masaki Endoh , Shun Kanai , Hiroyuki Yamamoto , Katsuya Miura
CPC分类号： H01L43/08 , G01R33/098 , G11B5/31 , G11C11/16 , G11C11/161 , G11C11/1675 , H01L27/228 , H01L43/02 , H01L43/10 , H01L43/12 , Y10T428/1114
摘要： Provided are a magneto resistive effect element with a stable magnetization direction perpendicular to a film plane and with a controlled magnetoresistance ratio, and a magnetic memory using the magneto resistive effect element. Ferromagnetic layers 106 and 107 of the magneto resistive effect element are formed from a ferromagnetic material containing at least one type of 3d transition metal such that the magnetoresistance ratio is controlled, and the film thickness of the ferromagnetic layers is controlled on an atomic layer level such that the magnetization direction is changed from a direction in the film plane to a direction perpendicular to the film plane.
摘要翻译： 提供了具有垂直于膜平面和受控磁阻比的稳定磁化方向的磁阻效应元件，以及使用该磁阻效应元件的磁存储器。 磁阻效应元件的铁磁层106和107由含有至少一种类型的3d过渡金属的铁磁材料形成，使得磁阻比被控制，并且铁磁层的膜厚被控制在诸如 磁化方向从薄膜平面的方向向垂直于薄膜平面的方向变化。
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